CN115514878A - Vehicle image control apparatus and image control method - Google Patents

Vehicle image control apparatus and image control method Download PDF

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Publication number
CN115514878A
CN115514878A CN202210576642.0A CN202210576642A CN115514878A CN 115514878 A CN115514878 A CN 115514878A CN 202210576642 A CN202210576642 A CN 202210576642A CN 115514878 A CN115514878 A CN 115514878A
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CN
China
Prior art keywords
image
vehicle
image controller
controller
surrounding
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202210576642.0A
Other languages
Chinese (zh)
Inventor
郑东赫
西门贤
金均河
李祐诚
金载林
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hyundai Motor Co
Hyundai Mobis Co Ltd
Yura Corp
Kia Corp
Original Assignee
Hyundai Motor Co
Hyundai Mobis Co Ltd
Yura Corp
Kia Corp
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Publication date
Application filed by Hyundai Motor Co, Hyundai Mobis Co Ltd, Yura Corp, Kia Corp filed Critical Hyundai Motor Co
Publication of CN115514878A publication Critical patent/CN115514878A/en
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
    • H04N7/181—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a plurality of remote sources
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
    • B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
    • B60R16/03—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W40/00—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models
    • B60W40/02—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models related to ambient conditions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
    • B60W50/02—Ensuring safety in case of control system failures, e.g. by diagnosing, circumventing or fixing failures
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/20—Analysis of motion
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/57—Mechanical or electrical details of cameras or camera modules specially adapted for being embedded in other devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules
    • H04N23/65—Control of camera operation in relation to power supply
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules
    • H04N23/65—Control of camera operation in relation to power supply
    • H04N23/651—Control of camera operation in relation to power supply for reducing power consumption by affecting camera operations, e.g. sleep mode, hibernation mode or power off of selective parts of the camera
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules
    • H04N23/66—Remote control of cameras or camera parts, e.g. by remote control devices
    • H04N23/661—Transmitting camera control signals through networks, e.g. control via the Internet
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W2420/00—Indexing codes relating to the type of sensors based on the principle of their operation
    • B60W2420/40—Photo or light sensitive means, e.g. infrared sensors
    • B60W2420/403—Image sensing, e.g. optical camera

Abstract

The invention provides a vehicle image control apparatus and an image control method for an image of a vehicle camera not having an Image Signal Processor (ISP) built therein. The vehicle image control apparatus includes: a first image controller that is equipped with a first ISP that performs image processing and supplies power to a camera device that is provided in a vehicle and that does not have the ISP built in; and a camera device acquiring a surrounding image of the vehicle and transmitting the surrounding image to the first image controller. The first image controller selectively shares the surrounding image with a second image controller equipped with a second ISP that performs image processing. Therefore, according to the present invention, it is possible to provide a vehicle image correlation system that is efficient by sharing one or more cameras that do not have an ISP built therein among a plurality of controllers.

Description

Vehicle image control apparatus and image control method
Cross Reference to Related Applications
This application claims the benefit of priority from korean patent application No. 10-2021-0081153, filed on 22/6/2021, the entire contents of which are incorporated herein by reference.
Technical Field
The present invention relates to a vehicle image control apparatus and an image control method, and more particularly, to a vehicle image control apparatus and an image control method for an image of a vehicle camera that does not have an Image Signal Processor (ISP) built therein.
Background
A built-in camera system (build-in camera system) can acquire a front image and a rear image according to conditions by acquiring a surrounding image through a vehicle camera, and check a function setting and a stored image in cooperation with audio, video, navigation (AVN) of a vehicle. Even in a parking mode in which another controller of the vehicle is turned off or a controller of the built-in camera system is in a sleep mode, the two controllers may be directly connected to a rear camera that is generally used to record images. The image captured by the rear camera is shared with at least one controller of a built-in camera, a look-around monitor (SVM) or an advanced driver assistance system park (ADAS-PRK) so that the controller of the built-in camera, SVM or ADAS-PRK can be connected to the rear camera through a coaxial cable.
Therefore, there is a need to develop an effective and applicable architecture for an image control system in which an Image Signal Processor (ISP) performing an image processing function on a camera image is built in a controller instead of a camera.
The information included in this background section of the invention is only for enhancement of understanding of the general background of the invention and is not to be taken as an admission or any form of suggestion that this information forms the prior art that is already known to a person skilled in the art.
Disclosure of Invention
Aspects of the present invention are directed to provide a vehicle image control apparatus and an image control method for an image of a vehicle camera not having an Image Signal Processor (ISP) built therein.
Aspects of the present invention provide a vehicle image control apparatus and an image control method capable of applying a technique of transferring an ISP, which has been built in a camera, to a controller.
Aspects of the present invention provide a vehicle image control apparatus and an image control method capable of switching control authority between a plurality of controllers for controlling an image of a camera in which an ISP is not built.
Aspects of the present invention provide a vehicle image control apparatus and an image control method that minimize power consumption by appropriately operating a plurality of controllers for controlling images of cameras that do not have ISPs built therein while driving and parking.
Aspects of the present invention provide a vehicle image control apparatus that implements an efficient vehicle image correlation system by sharing one or more cameras, which do not have an ISP built therein, among a plurality of controllers.
Technical problems to be solved by the inventive concept are not limited to the above-described problems, and any other technical problems not mentioned herein will be clearly understood from the following description by those skilled in the art to which the various exemplary embodiments of the present invention are described.
According to aspects of the present invention, a vehicle image control apparatus includes: a camera device provided in a vehicle and not having an Image Signal Processor (ISP) built therein, the camera device acquiring a surrounding image of the vehicle and transmitting the surrounding image to a first image controller; a first image controller equipped with a first ISP that performs image processing, and supplying power to the camera device and selectively sharing the surrounding image with the second image controller; and a second image controller provided with a second ISP that performs image processing.
According to various exemplary embodiments of the present invention, the first image controller may be configured to perform image processing on the surrounding image by the first ISP and store the image-processed surrounding image in the non-transitory storage medium.
According to various exemplary embodiments of the present invention, the second image controller may be configured to perform image processing on the surrounding image through the second ISP and output the image-processed surrounding image in real time.
According to various exemplary embodiments of the present invention, the camera device may include a camera that acquires a rearward image of the vehicle.
According to various exemplary embodiments of the present invention, the camera device may include two or more cameras that acquire surrounding images in different directions with respect to the vehicle.
According to various exemplary embodiments of the present invention, the first image controller may share the surrounding image with the second image controller when the vehicle is driving.
According to various exemplary embodiments of the present invention, the first image controller may not share the surrounding image with the second image controller when the vehicle is parked, and the second image controller may be turned off when the vehicle is parked.
According to various exemplary embodiments of the present invention, when the second image controller determines that an abnormality occurs in the camera apparatus, the second image controller may request the first image controller to reset the power supply that supplies power to the camera apparatus.
According to various exemplary embodiments of the present invention, the first image controller may share a control authority for the camera device with the second image controller.
The second image controller may transmit information on a parameter related to image processing on the surrounding image acquired by the camera device to the first image controller.
According to various exemplary embodiments of the present invention, the first image controller may share information about whether the first image controller has a control authority for internal communication of the camera device or whether the second image controller has a control authority for internal communication of the camera device with the second image controller.
According to various aspects of the present invention, a vehicle image control method includes: a first image controller equipped with a first ISP that performs image processing supplies power to a camera device that is provided in a vehicle and that does not have an ISP built in, the camera device acquires a surrounding image of the vehicle, the camera device transmits the surrounding image to the first image controller, and the first image controller selectively shares the surrounding image with a second image controller equipped with a second ISP that performs image processing.
According to various exemplary embodiments of the present invention, the vehicle image control method may further include: the first image controller performs image processing on the surrounding image through the first ISP; and the first image controller stores the image-processed surrounding image in a non-transitory storage medium.
According to various exemplary embodiments of the present invention, the vehicle image control method may further include: the second image controller performs image processing on the surrounding image through the second ISP; and the second image controller outputs the image-processed surrounding image in real time.
According to various exemplary embodiments of the present invention, the selectively sharing of the surrounding image by the first image controller with the second image controller equipped with the second ISP which performs the image processing may include: the first image controller shares the surrounding image with the second image controller when the vehicle is traveling.
According to various exemplary embodiments of the present invention, the vehicle image control method may further include: when the vehicle is parked, the first image controller does not share the surrounding image with the second image controller; and turning off the second image controller when the vehicle is parked.
According to various exemplary embodiments of the present invention, the vehicle image control method may further include: when the second image controller determines that an abnormality occurs in the camera device, the second image controller requests the first image controller to reset a power supply that supplies power to the camera device.
According to various exemplary embodiments of the present invention, the vehicle image control method may further include: the first image controller and the second image controller share a control authority for the camera device.
According to various exemplary embodiments of the present invention, the vehicle image control method may further include: the second image controller transmits information on parameters related to image processing of the surrounding image acquired by the camera device to the first image controller.
According to various exemplary embodiments of the present invention, the vehicle image control method may further include: the first image controller shares information about whether the first image controller has a control authority for the internal communication of the camera device or whether the second image controller has a control authority for the internal communication of the camera device with the second image controller.
The method and apparatus of the present invention have other features and advantages which are apparent from or are set forth in more detail in the accompanying drawings, which are incorporated herein, and the following detailed description, which serve to explain certain principles of the invention.
Drawings
Fig. 1 is a block diagram illustrating a vehicle image control apparatus according to various exemplary embodiments of the present invention;
fig. 2 is a diagram showing a detailed configuration of a vehicle image control apparatus according to various exemplary embodiments of the present invention;
fig. 3 is a diagram illustrating a case where only a first image controller operates according to various exemplary embodiments of the present invention;
fig. 4 is a diagram illustrating a case where only a second image controller operates according to various exemplary embodiments of the present invention;
fig. 5 is a diagram illustrating a camera apparatus including a plurality of cameras according to various exemplary embodiments of the present invention; and is provided with
Fig. 6 is a flowchart illustrating a vehicle image control method according to various exemplary embodiments of the present invention.
It will be appreciated that the appended drawings, which are not necessarily to scale, present a somewhat simplified representation of various features illustrative of the basic principles of the invention. The specific design features of the invention, including, for example, specific dimensions, orientations, locations, and shapes, as embodied herein will be determined in part by the particular intended application and use environment.
In the drawings, like reference characters designate like or equivalent parts throughout the several views.
Detailed Description
Reference will now be made in detail to the various embodiments of the disclosure, examples of which are illustrated in the accompanying drawings and described below. While the present disclosure will be described in conjunction with exemplary embodiments thereof, it will be understood that the description is not intended to limit the present disclosure to those exemplary embodiments thereof. On the other hand, the present disclosure is intended to cover not only the exemplary embodiments of the present disclosure, but also various alternatives, modifications, equivalents and other embodiments, which may be included within the spirit and scope of the present disclosure as defined by the appended claims.
Hereinafter, various exemplary embodiments of the present invention will be described in detail with reference to the exemplary drawings. In adding reference numerals to components of each drawing, it should be noted that the same or equivalent components are denoted by the same reference numerals even though the same or equivalent parts are shown in other drawings. In addition, in describing the embodiments of the present invention, detailed descriptions of well-known features or functions will be omitted so as not to unnecessarily obscure the subject matter of the present invention.
In describing the components of the exemplary embodiments in accordance with the various exemplary embodiments of this invention, terms such as first, second, "A", "B", "a", "B", etc. may be used. These terms are only intended to distinguish one component from another component, and do not limit the nature, sequence, or order of the components that make up the components. Unless defined otherwise, all terms including technical or scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this disclosure belongs. Terms such as those defined in general dictionaries should be interpreted as having a meaning that is the same as a background meaning of the related art and will not be interpreted as having an ideal or excessively formal meaning unless explicitly defined as having such a meaning in the present application.
Hereinafter, an embodiment of the present invention will be described in detail with reference to fig. 1 to 6.
Fig. 1 is a block diagram illustrating a vehicle image control apparatus according to various exemplary embodiments of the present invention.
The vehicle image control apparatus according to various exemplary embodiments of the present invention may be implemented inside or outside a vehicle. In this case, the vehicle image control apparatus 100 may be integrally formed with an interior control unit of the vehicle, or may be implemented as a separate hardware device and connected with the control unit of the vehicle through a connection device.
As exemplary embodiments of the present invention, the vehicle image control apparatus 100 may be implemented to be integrally formed with the vehicle, may be implemented to be mounted/attached to the vehicle in a configuration independent of the vehicle, or some components of the vehicle image control apparatus 100 may be implemented to be integrally formed with the vehicle and other components may be implemented to be mounted/attached to the vehicle in a configuration independent of the vehicle.
Referring to fig. 1, the vehicle image control apparatus 100 may include a camera device 110, a first image controller 120, and a second image controller 130.
The camera device 110 may be provided in a vehicle and may not incorporate an Image Signal Processor (ISP) and may acquire a surrounding Image of the vehicle.
For example, the camera device 110 may acquire an image even when another control system of the vehicle is off or in a sleep mode.
The camera device 110 may transmit the surrounding image to the first image controller 120.
For example, the camera device 110 may transmit the acquired surrounding image to two or more vehicle controllers connected by a coaxial cable.
For example, the camera device 110 may include a camera that acquires a rearward image of the vehicle.
For example, the camera device 110 may include two or more cameras that acquire surrounding images in different directions relative to the vehicle.
For example, the camera device 110 may include a camera for acquiring a front image of the vehicle, a camera for acquiring a rear image of the vehicle, a camera for acquiring a left image of the vehicle, and a camera for acquiring a right image of the vehicle.
The image acquired by the camera device 110 may include an image commonly used by the first image controller 120 and the second image controller 130.
The first image controller 120 may be provided with a first ISP that performs image processing, and supplies power to the camera device 110.
For example, the first image controller 120 may supply power to the camera device 110 and control image capturing and image transmission of the camera device 110.
For example, a first ISP and a second ISP, which will be described below, may perform image processing functions such as Auto White Balance (AWB), auto Exposure (AE), and noise removal.
The first image controller 120 may selectively share the surrounding image with the second image controller 130.
For example, the first image controller 120 may selectively share the surrounding image with the second image controller 130 based on whether the vehicle is running or whether the vehicle is parked.
For example, the first image controller 120 may share the surrounding image with the second image controller 130 when the vehicle is traveling.
For example, when the vehicle is parked, the first image controller 120 may not share the surrounding image with the second image controller 130.
For example, the first image controller 120 may be connected to a driving system of the vehicle to obtain from the driving system whether the vehicle is running or whether the vehicle is parked.
For example, the first image controller 120 may perform image processing on the surrounding image through the first ISP and store the image-processed surrounding image in the nonvolatile memory.
For example, the first image controller 120 may include a controller of a vehicle image recording apparatus built in a vehicle and storing a surrounding image in a nonvolatile memory.
For example, the first image controller 120 may include a controller of a Built-in camera (build-in Cam) of the vehicle.
For example, the first image controller 120 may share a control authority for the camera device 110 with the second image controller 130.
For example, the first image controller 120 may receive a control command for the camera device 110 from the second image controller 130, and control image acquisition and image transmission of the camera device 110 so as to share a control authority for the camera device 110 with the second image controller 130.
For example, the first image controller 120 may share information about whether the first image controller 120 has a control authority for internal communication of the camera device 110 or whether the second image controller 130 has a control authority for internal communication of the camera device 110 with the second image controller 130.
For example, in order to prevent a conflict of control authority for internal communication of the camera device 110, the first image controller 120 may share information about whether the first image controller 120 has control authority for internal communication of the camera device 110 or whether the second image controller 130 has control authority for internal communication of the camera device 110 with the second image controller 130.
As another example, in order to prevent a conflict of control authority for internal communication of the camera device 110, the second image controller 130 may share a message regarding whether the first image controller 120 has control authority for internal communication of the camera device 110 or whether the second image controller 130 has control authority for internal communication of the camera device 110 with the first image controller 120.
The second image controller 130 may include a second ISP which performs image processing.
For example, the second image controller 130 may perform image processing on the surrounding image through the second ISP and output the image-processed surrounding image in real time.
For example, the second image controller 130 may include a controller of a device that outputs a surrounding image through an output device such as audio, video, navigation (AVN) of the vehicle to display surrounding conditions of the vehicle in real time.
For example, the second image controller 130 may include a controller of a around View Monitor (SVM) of a vehicle or a controller of an Advanced Driver Assistance System-Parking (ADAS-PRK).
For example, the second image controller 130 may be turned off when the vehicle is parked.
For example, when the vehicle is parked, the second image controller 130 may be turned off in order to minimize power consumption for image processing.
For example, the second image controller 130 may be connected to a driving system of the vehicle to obtain from the driving system whether the vehicle is running or whether the vehicle is parked.
For example, when the second image controller 130 determines that an abnormality occurs in the camera apparatus 110, the second image controller 130 may request the first image controller 120 to reset the power supply to the camera apparatus 110.
For example, the second image controller 130 may determine whether an abnormality occurs in the camera apparatus 110 in the course of performing image processing or performing communication on image information through the second ISP.
For example, when the second image controller 130 determines that an abnormality occurs in the camera apparatus 110, the second image controller 130 may request the first image controller 120 to reset the power supply to the camera apparatus 110, and the first image controller 120 requested to reset the power supply may reset the power supply to the camera apparatus 110.
For example, the second image controller 130 may transmit information about parameters related to image processing on the surrounding image acquired through the camera device 110 to the first image controller 120.
For example, the second image controller 130 may transmit information about parameters related to image processing by the second ISP to the first image controller 120.
For example, the first image controller 120 may perform image processing on the surrounding image through the first ISP based on the received information on the parameter related to the image processing through the second ISP.
As another example, the first image controller 120 may transmit information about parameters related to image processing by the first ISP to the second image controller 130.
In this case, the second image controller 130 may perform image processing on the surrounding image through the second ISP based on the received information on the parameter related to the image processing through the first ISP.
Fig. 2 is a diagram showing a detailed configuration of a vehicle image control apparatus according to various exemplary embodiments of the present invention.
Referring to fig. 2, the built-in camera dedicated front camera 201 may acquire a front image of the vehicle and transmit the acquired front image to a DES (Deserializer) 221 of the first image controller 220.
The camera device 210 may not have an ISP built in. The camera device 210 may acquire an image of the surroundings of the vehicle and transmit the acquired image to the DES 222 of the first image controller 220.
For example, the camera device 210 may acquire a rear image of the vehicle and transmit the acquired rear image to the DES 222 of the first image controller 220.
The first image controller 220 may include a DES (deserializer) 221 connected to the built-in camera-dedicated front camera 201, a DES 222 connected to the camera device 210, a CPU (central processing unit) 223, an ISP 224, and an SER (Serializer) 225.
For example, the first image controller 220 may record images from front and rear cameras of the vehicle while driving or parking according to a user's setting, and store the images in a form of a video file in the non-volatile memory.
For example, the first image controller 220 may supply power to the camera device 210 and share the surrounding image of the vehicle acquired through the camera device 210 with the second image controller 230.
For example, the first image controller 220 may use the front image of the vehicle acquired through the built-in camera-dedicated front camera 201 by itself without sharing the front image with the second image controller 230.
The DES221 and DES 222 can convert camera image signals input from the outside of the controller into signals that can be input into the controller.
For example, DES221 and DES 222 may receive image signals acquired by the built-in camera-dedicated front camera 201 and the camera device 210, respectively, and convert them into signals that can be input into the controller.
The CPU 223 can perform overall control of the first image controller 220.
For example, the CPU 223 may be integrated with a microcontroller unit (MCU) of the vehicle or implemented in the form of a system on chip (SoC) to perform overall control of the first image controller 220.
For example, the CPU 223 may control the ISP 224 and set ISP parameters through Inter-Integrated Circuit (I2C) communication 226.
The ISP 224 can perform image processing on images acquired by the built-in camera-dedicated front camera 201 and the camera device 210.
For example, the CPU 223 may perform image processing on images acquired by the built-in camera-dedicated front camera 201 and the camera device 210 to transmit the images to the AVN206 of the vehicle.
For example, the CPU 223 may perform a communication 227 with the DES 222 to initialize the DES 222 and the SER 225.
A communication circuit for communication 227 connecting CPU 223 and DES 222 may be connected to a communication circuit for communication 228 connecting DES 222 and SER 225, so that CPU 223 may initialize DES 222 and SER 225 through communication 227 and communication 228.
For example, DES 222 and SER 225 in the first image controller 220 may be connected through communication 228, and thus information about an image acquired by the camera device 210 and transmitted to the DES 222 may be transmitted to the SER 225 through the communication 228.
SER 225 may convert the camera image signals to signals for transmission outside the controller.
For example, the SER 225 may convert a surrounding image signal with respect to the vehicle received through the DES 222 and transmit the converted signal to the DES 233 of the second image controller 230.
For example, in addition to I2C communications, the internal communications 226, 227, 228, and 234 disclosed herein may be implemented by Universal Asynchronous Receiver/Transmitter (UART), serial Peripheral Interface (SPI) communications, and the like.
The second image controller 230 may include an SoC/MCU 231, an ISP232, and a DES 233 connected to an ISP camera 202.
The SoC/MCU 231 may perform overall control of the second image controller 230.
The ISP232 may be built in the SoC/MCU 231 or may be separately provided. When the ISP232 is separately provided, the ISP232 may be connected to the SoC/MCU 231 and controlled by the SoC/MCU 231.
ISP232 may perform image processing on images acquired by camera device 210 and ISP camera 202.
The DES 233 may receive a front image of the vehicle, a left image of the vehicle, and a right image of the vehicle acquired by the isp camera 202 including the front camera 203, the left camera 204, and the right camera 205.
The front camera 203, the left camera 204, and the right camera 205 included in the ISP camera 202 may not have an ISP built in.
The DES 233 may receive a rear image of the vehicle acquired through the camera device 210 from the SER 225 of the first image controller 220.
For example, DES 233 may include one or more DES respectively corresponding to cameras.
The DES 233 may convert the received image signal into a signal that can be input into the controller.
The DES 233 may convert the received image signal into a signal that can be input into the controller, and transmit the converted signal to the SoC/MCU 231 through the communication 234.
The SoC/MCU 231 can perform image processing on the surrounding image of the vehicle acquired through the camera device 210, the front camera 203, the left camera 204, and the right camera 205 through the ISP232 and transmit the image to the AVN206 of the vehicle.
The gateway 241 is configured to be able to function as a gateway when the first image controller 220 and the second image controller 230 are connected by heterogeneous vehicle communication.
The first image controller 220 may transmit data or commands to the second image controller 230 through the communication 242 via the gateway 241 and receive data or commands from the second image controller 230.
For example, the first image controller 220 may receive ISP-related parameters from the second image controller 230 via communication 242 via gateway 241.
For example, the first image controller 220 may transmit a control authority and a reset request for the camera device 210 to the second image controller 230 through the communication 242 via the gateway 241, and receive a control authority and a reset request for the camera device 210 from the second image controller 230.
For example, the first image controller 220 may communicate with the second image controller 230 through a hard wire 243 and a hard wire 244.
The hard wire 243 and the hard wire 244 are not essential components for implementing the present invention, and may be additionally used when necessary communication is performed in implementing the present invention through vehicle communication that does not include a hard wire, and deterioration occurs in system start-up time or system performance.
For example, the first image controller 220 may transmit information about the master authority of the internal communication of the camera device 210 to the second image controller 230 through the hard wire 243 to prevent communication conflict between the first image controller 220 and the second image controller 230.
For example, when the first image controller 220 transmits a low signal (e.g., 0V) to the second image controller 230 through the hard wire 243, it may mean that the first image controller 220 has a master authority for internal communication of the camera device 210. When the first image controller 220 transmits a high signal (e.g., 12V) to the second image controller 230 through the hard wire 243, it may mean that the second image controller 230 has a master authority for internal communication of the camera device 210.
For example, when the second image controller 230 determines that an abnormality occurs in the camera apparatus 210, the second image controller 230 may transmit a reset request to the first image controller 220 through the hard wire 244.
For example, when the second image controller 230 determines that an abnormality occurs in the camera apparatus 210, the second image controller 230 may transmit a reset request through the hard wire 244 and through signals of a low signal, a high signal, and a low signal in this order.
Fig. 3 is a diagram illustrating a case where only a first image controller operates according to various exemplary embodiments of the present invention.
Referring to fig. 3, when the second image controller is not included in the option of the vehicle or the second image controller is turned off without operating, the camera device 310 may transmit information about the acquired image to the first image controller 320.
In this case, the first image controller 320 may include a DES (deserializer) 321 connected to the built-in camera-dedicated front camera 301, a DES322 connected to the camera device 310, a CPU (central processing unit) 323, an ISP 324, and a SER (serializer) 325.
Features of the first image controller 320, the DES 321 connected to the built-in camera-dedicated front camera 301, the DES322 connected to the camera device 310, the CPU 323, the ISP 324, and the SER 325, which are not mentioned in the description with reference to fig. 3, may be the same as those of the first image controller 220, the DES221 connected to the built-in camera-dedicated front camera 201, the DES 222 connected to the camera device 210, the CPU 223, the ISP 224, and the SER 225 of fig. 2.
The SER 325 of the first image controller 320 may transmit the surrounding image acquired through the camera device 310 to the AVN 306, not to the second image controller.
Further, the first image controller 320 may not communicate with the second image controller through the communication 342 via the gateway and the communication 343 and the communication 344 via the hard line.
In this case, the camera device 310 may or may not have an ISP built in. When the camera apparatus 310 itself performs image processing on an image acquired by the camera apparatus 310 because the camera apparatus 310 has the ISP built therein, the ISP 324 may simply bypass (bypass) the image-processed image received from the camera apparatus 310 and transmit to the CPU 323.
When the second image controller that outputs the surrounding image of the vehicle in real time is not included in the vehicle, or when only the first image controller 320 is operated due to the second image controller being turned off, the acquired surrounding image of the vehicle by the camera device 310 may be transmitted to the AVN 306 through the first image controller 320 and stored in the non-volatile memory in the form of video.
Further, the first image controller 320 may not transmit and receive a reset request, information on a control authority for the camera device 310, ISP-related parameters, and the like with the second image controller.
Fig. 4 is a diagram illustrating a case where only the second image controller operates according to various exemplary embodiments of the present invention.
Referring to fig. 4, when the first image controller is not included in the options of the vehicle, the camera device 410 may transmit information about the acquired image to the second image controller 430.
The second image controller 430 may include a SoC/MCU 431, an ISP432, and a DES 433 connected to the ISPLess camera 402.
When the first image controller is not included in the vehicle option, the surrounding image of the vehicle acquired by the camera device 410 may be directly transmitted to the second image controller 430 without via the first image controller.
Features of the second image controller 430, the SoC/MCU 431, the ISP432, and the DES 433 connected to the ISPLess camera 402, which are not mentioned in the description of fig. 4, may be the same as those of the second image controller 230, the SoC/MCU 231, the ISP232, and the DES 233 connected to the ISPLess camera 202 of fig. 2.
The DES 433 of the second image controller 430 may receive information on the surrounding image of the vehicle directly from the camera device 410, without via the first image controller.
In this case, the camera device 410 may or may not have an ISP built in. When the camera device 410 itself performs image processing on an image acquired by the camera device 410 since the camera device 410 has the ISP built therein, the ISP432 may simply bypass (bypass) the image-processed image received from the camera device 310 and transmit to the SoC/MCU 431.
Further, the second image controller 430 may not communicate with the first image controller through the communication 442 via the gateway and the communication 443 and the communication 444 via hard lines.
When the first image controller configured to store the surrounding image of the vehicle in the non-volatile memory in the form of a video is not included in the vehicle, the surrounding image of the vehicle acquired by the camera device 410 may be transmitted to the AVN 406 through the second image controller 430, and the AVN 406 may output the surrounding image of the vehicle in real time.
Further, the second image controller 430 may not transmit and receive a reset request, information on a control authority of the camera device 410, ISP-related parameters, and the like with the first image controller.
Fig. 5 is a diagram illustrating a camera apparatus including a plurality of cameras according to various exemplary embodiments of the present invention.
Referring to fig. 5, camera device 510 may include a rear camera 511, a front camera 512, a left camera 513, and a right camera 514.
Features of the built-in camera-dedicated front camera 501, the first image controller 520, DES 521 and DES 522, the CPU 523, the ISP 524, the SER 525, the second image controller 530, the SoC/MCU 531, the ISP532, DES 533, and the AVN 506, which are not mentioned with reference to fig. 5, may be the same as those of the built-in camera-dedicated front camera 201, the first image controller 220, DES221 and DES 222, the CPU 223, the ISP 224, the SER 225, the second image controller 230, the SoC/MCU 231, the ISP232, the DES 233, and the AVN206 of fig. 2.
For example, the rear camera 511, the front camera 512, the left camera 513, and the right camera 514 included in the camera device 510 may not have an ISP built in.
For example, DES 522 and SER 525 of the first image controller 520 may transmit and receive information about a front image, a rear image, a left image, and a right image of the vehicle acquired by the camera device 510 through one or more physical channels.
For example, ISP 524 of first image controller 520 and ISP532 of second image controller 530 may each comprise one or more ISPs.
DES 533 of second image controller 530 may receive information about a front image, a rear image, a left image, and a right image of the vehicle acquired by camera device 510 via DES 522 and SER 525 of first image controller 520.
For example, DES 533 of second image controller 530 may not be directly connected to front camera 512, left camera 513, and right camera 514.
For example, the first image controller 520 may store information about a front image, a rear image, a left image, and a right image of the vehicle in the form of video in the non-volatile memory.
For example, the second image controller 530 may output a front image, a rear image, a left image, and a right image of the vehicle received via the first image controller 520 in real time through the AVN 506.
For example, when the vehicle is parked, the second image controller 530 needs to be turned off, and thus the first image controller 520 may supply power to the camera device 510.
Fig. 6 is a flowchart illustrating a vehicle image control method according to various exemplary embodiments of the present invention.
Referring to fig. 6, a vehicle image control method may include: the first image controller 120 equipped with the first ISP that performs image processing supplies power to the camera device 110 that is provided in the vehicle and does not have the ISP built in (S610); the camera device 110 acquires a surrounding image of the vehicle (S620); the camera device 110 transmits the surrounding image of the vehicle to the first image controller 120 (S630); and the first image controller 120 selectively shares the surrounding image with the second image controller 130 equipped with the second ISP which performs the image processing (S640).
The camera device 110 acquiring the surrounding image of the vehicle (S620) may include acquiring a rear image of the vehicle by the camera device 110.
The camera device 110 transmitting the surrounding image of the vehicle to the first image controller 120 (S630) may include the camera device 110 transmitting the rear image of the vehicle acquired by the camera device 110 to the first image controller 120 without performing image processing on the rear image.
The first image controller 120 selectively sharing the surrounding image with the second image controller 130 equipped with the second ISP performing the image processing (S640) may include the first image controller 120 sharing the surrounding image with the second image controller 130 based on whether the vehicle is running or whether the vehicle is parked.
For example, the first image controller 120 selectively sharing the surrounding image with the second image controller 130 equipped with the second ISP that performs the image processing (S640) may include the first image controller 120 sharing the surrounding image with the second image controller 130 while the vehicle is driving.
For example, the vehicle image control method may further include: the first image controller 120 performs image processing on the surrounding image by the first ISP; and the first image controller 120 stores the image-processed surrounding image in the nonvolatile memory.
For example, the vehicle image control method may further include: the second image controller 130 performs image processing on the surrounding image through the second ISP; and the second image controller 130 outputs the image-processed surrounding image in real time.
For example, the vehicle image control method may further include: when the vehicle is parked, the first image controller 120 does not share the surrounding image with the second image controller 130; and turning off the second image controller 130 when the vehicle is parked.
For example, the vehicle image control method may further include: when the second image controller 130 determines that an abnormality occurs in the camera apparatus 110, the second image controller 130 requests the first image controller 120 to reset the power supply to the camera apparatus 110.
For example, the vehicle image control method may further include: the first image controller 120 and the second image controller 130 share a control authority for the camera device 110.
For example, the vehicle image control method may further include: the second image controller 130 transmits information about parameters related to image processing on the surrounding image acquired by the camera device 110 to the first image controller 120.
For example, the vehicle image control method may further include: the first image controller 120 shares information about whether the first image controller 120 has a control authority for the internal communication of the camera apparatus 110 or whether the second image controller 130 has a control authority for the internal communication of the camera apparatus 110 with the second image controller 130.
According to various exemplary embodiments of the present invention, a system capable of sharing images acquired through one or two or more cameras in which an ISP is not built can be implemented. Therefore, a plurality of controllers can use the image acquired by the camera, thereby achieving high efficiency of in-vehicle communication.
According to various exemplary embodiments of the present invention, a plurality of controllers may mutually switch image control of one or two or more cameras in which an ISP is not built, thereby minimizing power consumption.
The operations of a method or algorithm described in connection with the exemplary embodiments disclosed herein may be embodied directly in hardware or in a software module executed by a processor or in a combination of hardware and software modules. A software module may reside on storage media (i.e., memory and/or storage) such as RAM, flash memory, ROM, EPROM, EEPROM, registers, hard disk, a removable disk, and a CD-ROM.
An exemplary storage medium may be coupled to the processor, and the processor may read information from, and record information in, the storage medium. In the alternative, the storage medium may be integral to the processor. The processor and the storage medium may reside in an Application Specific Integrated Circuit (ASIC). The ASIC may reside in a user terminal. In other instances, the processor and the storage medium may reside as discrete components in a user terminal.
The above description is merely illustrative of the technical ideas of the embodiments of the present disclosure, and those skilled in the art to which the various exemplary embodiments of the present disclosure belong may make various modifications and changes without departing from the essential features of the present disclosure.
Therefore, the exemplary embodiments disclosed in the various exemplary embodiments of the present invention are not intended to limit the technical idea of the present invention but to describe the present invention, and the scope of the technical idea of the present invention is not limited by the embodiments. The scope of the invention should be construed by the appended claims, and all technical ideas within the scope equivalent to the claims should be understood to be included in the scope of the present disclosure.
Effects of the vehicle image control apparatus and the image control method according to various exemplary embodiments of the present invention are provided as follows.
According to at least one embodiment of the present invention, it is possible to provide a vehicle image control apparatus and an image control method for an image of a vehicle camera that does not have an Image Signal Processor (ISP) built therein.
According to at least one embodiment of the present invention, it is possible to provide a vehicle image control apparatus and an image control method capable of applying a technique of shifting an ISP built in a camera to a controller.
According to at least one embodiment of the present invention, it is possible to provide a vehicle image control apparatus and an image control method capable of switching control authority between a plurality of controllers for controlling an image of a camera not having an ISP built therein.
According to at least one embodiment of the present invention, it is possible to provide a vehicle image control apparatus and an image control method that minimize power consumption by appropriately operating a plurality of controllers for controlling images of cameras that do not have ISPs built therein while driving and parking.
According to at least one embodiment of the present invention, it is possible to provide a vehicle image control apparatus that implements an efficient vehicle image correlation system by sharing one or more cameras, which do not have an ISP built therein, among a plurality of controllers.
In addition, various effects directly or indirectly understood by the present invention can be provided.
For convenience in explanation and accurate definition in the appended claims, the terms "upper", "lower", "inner", "outer", "upper", "lower", "upward", "downward", "front", "rear", "back", "inside", "outside", "inward", "outward", "inside", "outside", "front" and "rear" are used to describe features of the exemplary embodiments with reference to the positions of such features as displayed in the figures. It will be further understood that the term "coupled" or derivatives thereof refer to both direct and indirect connections.
The foregoing descriptions of specific exemplary embodiments of the present invention have been presented for purposes of illustration and description. They are not intended to be exhaustive or to limit the invention to the precise forms disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the present invention and its practical application to enable others skilled in the art to make and utilize various exemplary embodiments of the present invention and various alternatives and modifications thereof. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (20)

1. A vehicular image control apparatus comprising:
a camera device provided in a vehicle and not having an image signal processor, i.e., an ISP, built therein, acquiring a surrounding image of the vehicle and transmitting the surrounding image to a first image controller;
the first image controller is provided with a first ISP for executing image processing, supplies power to the camera device and selectively shares the surrounding image with a second image controller; and
the second image controller is provided with a second ISP for executing image processing.
2. The vehicle image control apparatus according to claim 1,
the first image controller is configured to:
performing the image processing on the surrounding image by the first ISP,
storing the image-processed surrounding image in a non-transitory storage medium.
3. The vehicle image control apparatus according to claim 1,
the second image controller is configured to:
performing the image processing on the surrounding image by the second ISP,
outputting the image-processed surrounding image in real time.
4. The vehicular image control apparatus according to claim 1, wherein,
the camera device includes a camera that acquires a rearward image of the vehicle.
5. The vehicle image control apparatus according to claim 1,
the camera device includes two or more cameras that acquire surrounding images in different directions with respect to the vehicle.
6. The vehicle image control apparatus according to claim 1,
the first image controller shares the surrounding image with the second image controller when the vehicle is traveling.
7. The vehicle image control apparatus according to claim 1,
the first image controller does not share the surrounding image with the second image controller when the vehicle is parked, and
and when the vehicle is parked, the second image controller is turned off.
8. The vehicular image control apparatus according to claim 1, wherein,
when the second image controller determines that an abnormality occurs in the camera device, the second image controller requests the first image controller to reset a power supply that supplies power to the camera device.
9. The vehicle image control apparatus according to claim 1,
the first image controller and the second image controller share a control authority for the camera device.
10. The vehicular image control apparatus according to claim 1, wherein,
the second image controller transmits information on a parameter related to image processing on the surrounding image acquired by the camera device to the first image controller.
11. The vehicular image control apparatus according to claim 1, wherein,
the first image controller shares information about whether the first image controller has a control authority for the internal communication of the camera device or whether the second image controller has a control authority for the internal communication of the camera device with the second image controller.
12. A vehicle image control method, comprising:
a first image controller equipped with a first ISP that performs image processing supplies power to a camera device that is provided in a vehicle and that does not have an ISP built in;
the camera device acquires surrounding images of the vehicle;
the camera device sends the surrounding image to the first image controller; and
the first image controller selectively shares the surrounding image with a second image controller equipped with a second ISP that performs image processing.
13. The vehicle image control method according to claim 12, further comprising:
the first image controller performs image processing on the surrounding image by the first ISP; and
the first image controller stores the image-processed surrounding image in a non-transitory storage medium.
14. The vehicle image control method according to claim 12, further comprising:
the second image controller performs image processing on the surrounding image through the second ISP; and
the second image controller outputs the image-processed surrounding image in real time.
15. The vehicle image control method according to claim 12,
the first image controller selectively sharing the surrounding image with the second image controller equipped with the second ISP that performs the image processing includes: the first image controller shares the surrounding image with the second image controller when the vehicle is traveling.
16. The vehicle image control method according to claim 12, further comprising:
the first image controller does not share the surrounding image with the second image controller when the vehicle is parked; and
turning off the second image controller when the vehicle is parked.
17. The vehicle image control method according to claim 12, further comprising:
when the second image controller determines that an abnormality occurs in the camera device, the second image controller requests the first image controller to reset a power supply that supplies power to the camera device.
18. The vehicle image control method according to claim 12, further comprising:
the first image controller and the second image controller share a control authority for the camera device.
19. The vehicle image control method according to claim 12, further comprising:
the second image controller transmits information on a parameter related to image processing on the surrounding image acquired by the camera device to the first image controller.
20. The vehicle image control method according to claim 12, further comprising:
the first image controller shares information about whether the first image controller has a control authority for the internal communication of the camera apparatus or whether the second image controller has a control authority for the internal communication of the camera apparatus with the second image controller.
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